Washington, D.C. 20549


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Nelson Gregory

(Last) (First) (Middle)


(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
3. Issuer Name and Ticker or Trading Symbol
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Sales Officer
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (Right to buy) 03/31/2008 03/30/2014 Common Stock 3,000 18.42 D
Non-Qualified Stock Option (Right to buy) 07/01/2007 06/30/2013 Common Stock 3,000 16.21 D
Non-Qualified Stock Option (Right to buy) 07/01/2004 06/30/2013 Common Stock 1,000 15.92 D
Non-Qualified Stock Option (Right to buy) 02/01/2009 01/31/2018 Common Stock 500 24.14 D
Non-Qualified Stock Option (Right to buy) 04/03/2008 04/03/2016 Common Stock 7,000 22.19 D
Non-Qualified Stock Option (Right to buy) (1) 04/01/2017 Common Stock 5,000 28.62 D
Non-Qualified Stock Option (Right to buy) (2) 06/30/2019 Common Stock 3,000 25.25 D
Incentive Stock Option (Right to buy) 03/31/2007 03/30/2015 Common Stock 2,500 14.06 D
Explanation of Responses:
1. The Options become exercisable in three equal installments on the first, second and third anniversaries of the grant date.
2. 50% of the Option becomes exercisable on April 1, 2011, an additional 25% of the Option becomes exercisable on April 1, 2012, and the balance of the Option becomes exercisable on April 1, 2013.
Maite Garcia, attorney in fact for Gregory Nelson 08/03/2009
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

I hereby constitute and appoint each of Gail S. Mann, Ryan Darrah and Maite
Garcia signing singly, my true and lawful attorney-in-fact to:

(1)	execute for and on my behalf, in my capacity as an officer and/or director
of Forrester Research, Inc. (the "Company"), Forms 3, 4 and 5 in accordance with
Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2)	do and perform any and all acts for and on my behalf that may be necessary
or desirable to complete and execute any such Form 3, 4 or 5 and timely file
such form with the United States Securities and Exchange Commission and any
stock exchange or similar authority; and

(3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be to my benefit,
in my best interest, or that I am legally required to do, it being understood
that the documents executed by such attorney-in-fact on my behalf pursuant to
this Power of Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such attorney-in-fact's

I hereby grant to each such attorney-in-fact full power and authority to do and
perform any and every act and thing whatsoever requisite, necessary, or proper
to be done in the exercise of any of the rights and powers herein granted, as
fully to all intents and purposes as I might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this power of
attorney and the rights and powers herein granted.  I acknowledge that the
attorneys-in-fact, in serving in such capacity at my request, are not assuming,
nor is the Company assuming, any of my responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until I am no
longer required to file Forms 3, 4 and 5 with respect to my holdings of and
transactions in Company securities, unless I earlier revoke it in a signed
writing delivered to the attorneys-in-fact. Upon signature of this Power of
Attorney, I hereby revoke all previous powers of attorney granted concerning the
subject matter herein.

IN WITNESS WHEREOF, I have caused this Power of Attorney to be executed as of
this 24th day of July, 2009.


/s/Gregory Nelson

Gregory Nelson
Print Name